The conjugate base of H2PO4- is:
A) HPO42-
B) H2PO3-
C) H3PO4
D) PO43-
E) H2PO4OH-
Correct Answer:
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A)H2CO3
B)HCO2-
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Q31: The conjugate acid of H2PO4- is:
A)HPO42-
B)H2PO3-
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